Description: LED locks the basic functions are as follows 1) the use of LED displays to show the relevance of the password lock information input. (2) can be set up 4-digit code (0-9) password. (3 designated another group of 4 digits password for the " 1234 . " (4 to enter the correct password to start the relay 2 S. (5 password input error is warning sound.
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123.txt
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